This lecture is part of a series which gives an expanded version of the Vinberg lecture on "Vinberg's algorithm and Kac-Moody algebras". This video is part 1 and describes how Vinberg used his algorithm to calculate the reflection groups of some Lorentzian lattices.
Vinberg's paper can be found at
mathweb.tifr.res.in/sites/def...
The original version of the lecture is here:
amathr.org/Borcherds-vinberg/
For the other lectures see
• Vinberg lecture
Негізгі бет Vinberg lecture part 1.Vinberg's algorithm
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